1 files changed, 1 insertions, 0 deletions
diff --git a/db/pdfile.cpp b/db/pdfile.cpp
index 663ae05..2aedfd4 100644
--- a/db/pdfile.cpp
+++ b/db/pdfile.cpp
@@ -806,6 +806,7 @@ namespace mongo {
         result.append("ns", name.c_str());
         ClientCursor::invalidate(name.c_str());
         Top::global.collectionDropped( name );
+        NamespaceDetailsTransient::eraseForPrefix( name.c_str() );
         dropNS(name);
     }